#K-1 KoYo-Sha Green Rouge Compound is used by the major Japanese tool makers to give a final polish to their tools. It is manufactured from carefully graded 0.5 to 1.5 micron Green Carbide abrasive in a wax base. Our Koyo-Sha Green Rouge will give a finer polished edge than any other buffing compound and will put a razor like edge on your tools. The 19 ounce block will last for years.